Java Integration Developer- Senior

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. 

DET , MW, Cloud,

Job Description: Integration Developer – GCP Integration Platform (Banking Securities Doman)

Key Responsibilities

• Build the GCP-based Integration Layer
  • Design and implement API-based, event-based, and batch/file-based integrations.
  • Develop services and workflows either GCP native components:
    • Cloud Pub/Sub (async messaging & decoupling)
    • Cloud Storage (GCS) (file landing zones)
    • Cloud Composer / Workflows (orchestration)
    • Cloud Functions / Cloud Run (microservices & serverless)
    • Apigee / API Gateway (API exposure layer)
  • Or IBM MQ, IBM Sterling, Kafka,  Or experience on workflow orchestrator tools like Camunda.
  • Govern the use of middleware, messaging queues (e.g., Kafka, MQ), and transformation engines (e.g., UDF) to ensure consistency and reusability.

• Integration Development
  • Build adapters for:
    • File transfers (SFTP, FTPS, managed transfer via GCP Transfer Service)
    • SWIFT messages (MT/MX), ISO20022 translations
    • Queue-based integrations (JMS, MQ → Pub/Sub bridges)
    • Event-driven flows between systems like FNZ, Calypso, BNP.
    • Kafka integrations
    • Migrate existing point-to-point logic into centralized, Standardized services.

• Implement Transformations
  • Write transformation Rules  (Avro, Jolt, XML/JSON/CSV/ISO → target schema).
  • Implement validation, enrichment, and business rules.

• DevOps & Automation
• • Use CI/CD (Cloud Build, GitHub Actions, Jenkins).
  • Ensure logging, monitoring, alerts using Cloud Logging & Cloud Monitoring.

• Work with Cross-Functional Teams
• • Collaborate with FO/MO/BO SMEs, FNZ/Calypso/BNP vendor teams.
  • Understand upstream/downstream data models and event triggers.
  • Debug issues in a distributed multi-system environment.

Required Skills & Technologies

Core Languages

• Java
• Python

Integration & Messaging

• MQ / JMS
• SFTP / MFT
• Kafka
• SWIFT MT/MX
• ISO20022 messages
• REST/JSON/SOAP/XML

Preferred Background

• Banking or wealth domain experience: trades, corporate actions, settlements, custody, accounts, securities, static data.
• Experience integrating with platforms like:
  • FNZ
  • Calypso
  • BNP
  • Custody systems
  • IBM MQ on OpenSystem
  • File transfer between Cloud and Mainframe
• Experience moving legacy point-to-point flows into modern integration layers (both Cobol-to-cobol, MQ, file based)

EY | Building a better working world 

 
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